U. S. President George Bush ended his five-nation tour of Africa today, pledging billions of dollars for health, education, and development projects around the continent. The president's tour ended in Liberia where he participated in a number events with Liberian President Ellen Johnson Sirleaf.

This news release shows President Bush fulfilling his role as the country's

Which suggests the most critical aspect of the peak oil theory? 1) controversy rages over rumors that the fracking lobby in washington has influenced the statistics. 2) supporters and critics argue endlessly over the rate of extraction and shape of the bell curve. 3) saudi arabia will soon have to begin fracking, leading to protests and further destabilization. 4) a new oil discovery means a fresh peak cycle, making that region the target of aggressors.